Connecticut Passport and Birth Certificates 1900–1930. Record Group 10. Connecticut State Library, Hartford, Connecticut.
This eclectic database features a wide range of documents, including passports, birth certificates, baptismal certificates, admission of alien forms, employment information cards, and others. The documents come from a number of different countries and are in various languages (including Italian, Polish, and Portuguese).
These records have been indexed by primary person and birth date, and these are the terms you can search by. However, they may contain a wide range of other details, depending on the document type and purpose. These can include birthplace, parents’ names, address, profession, and more.